DE102017204981A1 - Method for operating a device for the electrochemical conversion of energy, and device which is operated by such a method - Google Patents
Method for operating a device for the electrochemical conversion of energy, and device which is operated by such a method Download PDFInfo
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- DE102017204981A1 DE102017204981A1 DE102017204981.2A DE102017204981A DE102017204981A1 DE 102017204981 A1 DE102017204981 A1 DE 102017204981A1 DE 102017204981 A DE102017204981 A DE 102017204981A DE 102017204981 A1 DE102017204981 A1 DE 102017204981A1
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 18
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 40
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 28
- 239000001257 hydrogen Substances 0.000 claims abstract description 28
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 28
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 16
- 230000002211 methanization Effects 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 230000008020 evaporation Effects 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 16
- 229910002092 carbon dioxide Inorganic materials 0.000 description 8
- 239000001569 carbon dioxide Substances 0.000 description 8
- 239000000446 fuel Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
- C07C1/12—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon dioxide with hydrogen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L3/00—Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
- C10L3/06—Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
- C10L3/08—Production of synthetic natural gas
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/06—Heat exchange, direct or indirect
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
- C10L2290/38—Applying an electric field or inclusion of electrodes in the apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
Die vorliegende Erfindung betrifft ein Verfahren zum Betreiben einer Vorrichtung (10) zur elektrochemischen Wandlung von Energie, mit zumindest einer Elektrolyseeinrichtung (12) zur Erzeugung von Wasserstoff (22) und mit zumindest einer Methanisierungseinrichtung zur Erzeugung eines methanhaltigen Gases (26) aus dem erzeugten Wasserstoff (22). Das Verfahren zeichnet sich dadurch aus, dass thermische Energie (28) von der Methanisierungseinheit (14) unmittelbar der Elektrolyseeinheit (12) zugeführt wird. Die Erfindung betrifft auch eine Vorrichtung (10) zur elektrochemischen Wandlung von Energie zur elektrochemischen Wandlung von Energie, mit zumindest einer Elektrolyseeinrichtung (12) zur Erzeugung von Wasserstoff (22) und mit zumindest einer Methanisierungseinrichtung (14) zur Erzeugung eines methanhaltigen Gases (26) aus dem erzeugten Wasserstoff (22). Die Vorrichtung (10) zeichnet sich dadurch aus, die Elektrolyseeinrichtung (12) und die Methanisierungseinrichtung (14) unmittelbar nebeneinander angeordnet sind. The present invention relates to a method for operating a device (10) for the electrochemical conversion of energy, comprising at least one electrolysis device (12) for generating hydrogen (22) and having at least one methanization device for generating a methane-containing gas (26) from the generated hydrogen (22). The method is characterized in that thermal energy (28) from the methanation unit (14) is supplied directly to the electrolysis unit (12). The invention also relates to a device (10) for the electrochemical conversion of energy for the electrochemical conversion of energy, comprising at least one electrolysis device (12) for generating hydrogen (22) and at least one methanization device (14) for producing a methane-containing gas (26). from the hydrogen produced (22). The device (10) is characterized in that the electrolysis device (12) and the methanation device (14) are arranged directly next to one another.
Description
Die vorliegende Erfindung betrifft ein Verfahren zum Betreiben einer Vorrichtung zur elektrochemischen Wandlung von Energie, mit zumindest einer Elektrolyseeinrichtung zur Erzeugung von Wasserstoff und mit zumindest einer Methanisierungseinrichtung zur Erzeugung eines methanhaltigen Gases aus dem erzeugten Wasserstoff. Die Erfindung betrifft auch eine Vorrichtung zur elektrochemischen Wandlung von Energie, die mit einem derartigen Verfahren betrieben wird.The present invention relates to a method for operating a device for the electrochemical conversion of energy, comprising at least one electrolysis device for generating hydrogen and having at least one methanization device for generating a methane-containing gas from the generated hydrogen. The invention also relates to a device for the electrochemical conversion of energy, which is operated with such a method.
Stand der TechnikState of the art
Die
Offenbarung der ErfindungDisclosure of the invention
Das vorliegende Verfahren zum Betreiben einer Vorrichtung zur elektrochemischen Wandlung von Energie zeichnet sich gegenüber dem Stand der Technik dadurch aus, dass thermische Energie von der Methanisierungseinheit unmittelbar der Elektrolyseeinheit zugeführt wird. So kann freigesetzte thermische Energie effizient genutzt und eine Steigerung des Gesamtwirkungsgrades erreicht werden.The present method for operating a device for the electrochemical conversion of energy is distinguished from the prior art in that thermal energy is supplied from the methanation unit directly to the electrolysis unit. Thus, released thermal energy can be used efficiently and an increase in the overall efficiency can be achieved.
Durch die in den Unteransprüchen aufgeführten Merkmale sind vorteilhafte Weiterbildungen des erfindungsgemäßen Verfahrens möglich. So ist es besonders vorteilhaft, wenn die thermische Energie bei einer Methanisierung von Wasserstoff gewonnen wird. So kann eine ausreichend hohe Menge an thermischer Energie erzeugt werden.The features listed in the dependent claims advantageous refinements of the method according to the invention are possible. So it is particularly advantageous if the thermal energy is obtained in a methanation of hydrogen. Thus, a sufficiently high amount of thermal energy can be generated.
Besonders vorteilhaft ist es auch, wenn zumindest ein Teil eines Elektrolyseprozesses, insbesondere eine Verdampfung von Wasser, mittels der thermischen Energie durchgeführt wird, wodurch die bei einer Methanisierung des Wasserstoffs erzeugte thermische Energie gezielt für zumindest einen Teil des Elektrolyseprozesses eingesetzt werden kann.It is also particularly advantageous if at least part of an electrolysis process, in particular an evaporation of water, is carried out by means of the thermal energy, whereby the thermal energy generated during methanation of the hydrogen can be used specifically for at least part of the electrolysis process.
So ist es auch von Vorteil, wenn eine Erzeugung von Wasserstoff zumindest teilweise mittels einer SOEC-Einheit (SOEC: Solid Oxid Elektrolyzer Cell) durchgeführt wird, wodurch besonders hohe Mengen an thermischer Energie durch die Elektrolyseeinrichtung aufgenommen werden können.Thus, it is also advantageous if a generation of hydrogen is at least partially carried out by means of a SOEC unit (SOEC: Solid Oxide Electrolyzer Cell), whereby particularly high amounts of thermal energy can be absorbed by the electrolysis device.
In einer vorteilhaften Ausführung, weist das Verfahren zumindest einen der folgenden Verfahrensschritte auf:
- a) Gewinnung von thermischer Energie mittels der Methanisierungseinrichtung zur Erzeugung eines methanhaltigen Gases;
- b) Übertragung der gewonnenen thermischen Energie von der Methanisierungseinrichtung auf die Elektrolyseeinrichtung;
- c) Durchführen zumindest eines Teils eines Elektrolyseprozesses, insbesondere einer Verdampfung von Wasser, mittels der gewonnenen thermischen Energie, vorzugsweise in der Elektrolyseeinrichtung zur Erzeugung von Wasserstoff.
- a) recovery of thermal energy by means of the methanizer for generating a methane-containing gas;
- b) transfer of the obtained thermal energy from the methanization device to the electrolysis device;
- c) carrying out at least part of an electrolysis process, in particular an evaporation of water, by means of the thermal energy obtained, preferably in the electrolysis device for generating hydrogen.
Dadurch kann das Verfahren besonders effizient unter nachhaltiger Erhöhung des Gesamtwirkungsgrades erfolgen.As a result, the process can be carried out particularly efficiently while sustainably increasing the overall efficiency.
Die Erfindung betrifft auch eine Vorrichtung zur elektrochemischen Wandlung von Energie. Die Vorrichtung zeichnet sich gegenüber dem Stand der Technik dadurch aus, dass die Elektrolyseeinrichtung und die Methanisierungseinrichtung unmittelbar nebeneinander angeordnet sind, wodurch eine besonders effiziente Übertragung von thermischer Energie von der Methanisierungseinrichtung auf die Elektrolyseeinrichtung ermöglicht wird.The invention also relates to a device for the electrochemical conversion of energy. The device is distinguished from the state of the art in that the electrolysis device and the methanization device are arranged directly next to one another, whereby a particularly efficient transfer of thermal energy from the methanization device to the electrolysis device is made possible.
Besonders vorteilhaft ist es, wenn die Methanisierungseinrichtung und die Elektrolyseeinrichtung als eine Einheit ausgebildet sind, wodurch eine kompakte und einfache Integration in eine Energiegewinnungsvorrichtung, wie beispielsweise eine Brennstoffzellenvorrichtung, ermöglicht wird.It is particularly advantageous if the methanization device and the electrolysis device are designed as one unit, thereby enabling a compact and simple integration into an energy harvesting device, such as a fuel cell device.
Vorteilhaft ist es auch, wenn die Elektrolyseeinrichtung als eine SOEC-Elektrolyseeinrichtung ausgebildet ist, wodurch besonders hohe Mengen an thermischer Energie von der Elektrolyseeinheit genutzt werden können.It is also advantageous if the electrolysis device is designed as a SOEC electrolysis device, whereby particularly high amounts of thermal energy can be used by the electrolysis unit.
Figurenlistelist of figures
In den Zeichnungen sind Ausführungsbeispiele der Erfindung schematisch dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen
-
1 eine schematische Darstellung eines Ausführungsbeispiels einer erfindungsgemäßen Vorrichtung zur elektrochemischen Wandlung von Energie; und -
2 eine schematische Darstellung eines Ausführungsbeispiels eines erfindungsgemäßen Verfahrens zum Betreiben einer Vorrichtung zur elektrochemischen Wandlung von Energie.
-
1 a schematic representation of an embodiment of a device according to the invention for the electrochemical conversion of energy; and -
2 a schematic representation of an embodiment of a method according to the invention for operating a device for the electrochemical conversion of energy.
Beschreibung description
Der Elektrolyseeinrichtung
Das Produktgas wird mit den genannten Komponenten von der Elektrolyseeinrichtung
So wird mittels der Vorrichtung
Das verbleibende Wasser
Ggf. verbleibendes Kohlenstoffdioxid
In dem gezeigten Ausführungsbeispiel werden die Zufuhr und/oder Abfuhr von Stoffen durch Leitungen realisiert. Je nach Anwendung können die Stoffe dabei getrennt voneinander oder gemeinsam geführt werden.In the embodiment shown, the supply and / or discharge of substances are realized by lines. Depending on the application, the substances can be run separately or together.
Das vorliegende erfindungsgemäße Verfahren zeichnet sich vor allem dadurch aus, dass die bei der Methanisierung freigesetzte thermische Energie
Wie schon erläutert wird die thermische Energie
Bei der in
In dem gezeigten Ausführungsbeispiel wird die Erzeugung von Wasserstoff, bzw. die Elektrolyse mittels einer SOEC-Einheit durchgeführt. Durch den Einsatz der SOEC-Einheit (SOEC: Solid Oxid Elektrolyzer Cell), die bei einer hohen Betriebstemperatur von ca. 600 °C - 850 °C betrieben wird, wird die bei der Methanisierung freigesetzte thermische Energie
Ein geringerer Teil
In
- a) Gewinnung von
thermischer Energie 28 mittels derMethanisierungseinrichtung 14 zur Erzeugung eines methanhaltigen Gases; - b) Übertragung der gewonnenen
thermischen Energie 28 von derMethanisierungseinrichtung 14 auf die Elektrolyseeinrichtung12 ; - c) Durchführen zumindest eines Teils eines Elektrolyseprozesses, insbesondere einer Verdampfung von
Wasser 18 , mittels der gewonnenenthermischen Energie 28 in der Elektrolyseeinrichtung12 zur Erzeugung vonWasserstoff 22 .
- a) Recovery of
thermal energy 28 by means of themethanation device 14 for producing a methane-containing gas; - b) transfer of the recovered
thermal energy 28 from themethanizer 14 to the electrolyzer12 ; - c) carrying out at least part of an electrolysis process, in particular an evaporation of
water 18 , by means of the obtainedthermal energy 28 in the electrolysis device12 for the production ofhydrogen 22 ,
So kann das Verfahren besonders effizient unter Erhöhung des Gesamtwirkungsgrades der Vorrichtung
In dem in
Darüber hinaus ist es denkbar, dass die Methanisierungseinrichtung
In dem gezeigten Ausführungsbeispiel ist die Elektrolyseeinrichtung
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102011013922 A1 [0002]DE 102011013922 A1 [0002]
Claims (8)
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DE102017204981.2A DE102017204981A1 (en) | 2017-03-24 | 2017-03-24 | Method for operating a device for the electrochemical conversion of energy, and device which is operated by such a method |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023089373A1 (en) * | 2021-11-17 | 2023-05-25 | Shahar Golan Technology Solutions Ltd | Methanation and recovery method, system, and apparatus |
EP4129961A4 (en) * | 2020-03-31 | 2024-02-07 | Osaka Gas Co Ltd | Hydrocarbon production system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011013922A1 (en) | 2011-03-14 | 2012-09-20 | Voith Patent Gmbh | Storing electrical excess energy from electric power plant comprises producing hydrogen, producing and supplying produced methane containing gas to gas reservoir and producing electrical energy by combusting produced methane containing gas |
DE102013219681A1 (en) * | 2013-09-30 | 2015-04-02 | Marek Fulde | Method and system for storing electrical energy |
-
2017
- 2017-03-24 DE DE102017204981.2A patent/DE102017204981A1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011013922A1 (en) | 2011-03-14 | 2012-09-20 | Voith Patent Gmbh | Storing electrical excess energy from electric power plant comprises producing hydrogen, producing and supplying produced methane containing gas to gas reservoir and producing electrical energy by combusting produced methane containing gas |
DE102013219681A1 (en) * | 2013-09-30 | 2015-04-02 | Marek Fulde | Method and system for storing electrical energy |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4129961A4 (en) * | 2020-03-31 | 2024-02-07 | Osaka Gas Co Ltd | Hydrocarbon production system |
WO2023089373A1 (en) * | 2021-11-17 | 2023-05-25 | Shahar Golan Technology Solutions Ltd | Methanation and recovery method, system, and apparatus |
US11713285B2 (en) | 2021-11-17 | 2023-08-01 | Shahar Golan Technology Soultions, Ltd. | Methanation and recovery method, system, and apparatus |
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